During one of the heists seen in called the most valuable items you are supposed to rob are locked behind a Master Bedroom Vault that can only be opened when you input the correct numbers from a series of codes. There are multiple ways to figure out the correct sequence that depends on your actions throughout the mission. You will need to be careful to reach the treasures inside the Vault without getting caught.
No matter what playable character in you end up using during this heist, use the Casing Mode to scout out each Public level security area before even starting. This lets you travel around common areas with civilian clothes, giving you a good idea of the important locations. Do not get caught exploring Private or Secure regions while in this mode since this will lead to your removal and cause you to lose out on extra XP.
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After you find the Red Keycard from the security offices, you can access the Master Bedroom Vault, which demands a four-digit code to unlock the items. There are two ways you can find the right code in, either by scanning for fingerprints or finding a hidden vault that hosts possible solutions to the primary safe. Keep in mind that the codes change every time you attempt this heist, so you will need to search for the right numbers every time.
The Red Keycard can be found in the southern hallway of the first floor in the main building of this heist, but the door to the item requires a QR code to open. Hack the phone of an undercover guard in the penthouse to obtain the code.
The easiest way to find the Vault code is to use a UV flashlight to see which four numbers were pressed. This will give you a staggering 24 different
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